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Finding the Fourth Proportional to 333,442.30, 500,257.07 and 133,902.79

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Solution

The fourth proportional to 333,442.30, 500,257.07 and 133,902.79 is: 200,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,442.30 : 500,257.07 = 133,902.79 : x
  2. Step 2: Convert to fraction form
    333,442.30/500,257.07 = 133,902.79/x
  3. Step 3: Cross multiply
    333,442.30x = 500,257.07 × 133,902.79
  4. Step 4: Simplify right side
    333,442.30x = 66,985,817,390.23
  5. Step 5: Solve for x
    x = 66,985,817,390.23/333,442.30
  6. Step 6: Final answer
    x = 200,891.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.